Mainstay · 11 hours ago
Senior Software Engineer (Full-Stack, Backend) - Market Intelligence
Mainstay is the leading market intelligence platform purpose built for buying, managing, and selling homes in the single family rental industry. As a Senior Full-Stack Software Engineer on Market Intelligence, you’ll work on systems that directly shape how capital is deployed across millions of homes, influencing real investment decisions and driving SaaS revenue.
Information TechnologyMarket ResearchReal EstateReal Estate BrokerageRentalSoftware
Responsibilities
Lead the design, development, and delivery of end-to-end features that power Mainstay’s core Market Intelligence products
Build and evolve scalable backend services and APIs that aggregate, enrich, and serve large, complex real estate datasets
Develop and refine frontend product experiences that make sophisticated market data intuitive, trustworthy, and actionable
Own technical decisions for systems that sit at the center of Mainstay’s SaaS platform and directly influence investor decision-making
Partner closely with product managers, designers, data science, and data engineering to translate business needs into durable technical solutions
Improve system reliability, performance, and maintainability as the platform scales
Modernize and automate legacy real estate workflows by replacing manual analysis with software-driven insights
Mentor other engineers through code reviews, technical guidance, and shared ownership of team standards
Qualification
Required
5+ years of experience building and shipping production-grade software in fast-paced or early-stage environments
Strong full-stack engineering skills with a backend-first orientation
Deep experience designing, building, and operating scalable backend systems, ideally in Python
Solid frontend experience with React or similar modern frameworks
Experience working with data-heavy, analytics-driven, or workflow-oriented systems
Strong technical judgment and the ability to balance speed, correctness, and long-term maintainability
Clear, thoughtful communication skills for a remote, highly collaborative team
A proactive, ownership-driven approach to ambiguous problems
Company
Mainstay
Mainstay operates a market intelligence and transaction platform to unlock single-family rental opportunities.
H1B Sponsorship
Mainstay has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
Funding
Current Stage
Growth StageTotal Funding
$24.95M2025-12-12Convertible Note
2024-08-13Series A· $24.95M
Company data provided by crunchbase